Output power detection circuit with threshold limiting...

Details Output power detection circuit with threshold limiting... Output power detection circuit with threshold limiting...

2011-03-22

2011-03-22

Le, Nhan (Department: 2618)

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

C455S115300, C455S341000, C330S297000

Reexamination Certificate

active

07912432

ABSTRACT:
An output power detection circuit including a detection circuit is disclosed. The output power detection circuit further includes a summing network, wherein a first voltage input of the summing network is capable of receiving a voltage that is proportional with a current flowing through an output stage of an RF amplifier circuit, a second voltage input is coupled with the detection circuit, and an output is capable of providing a summing voltage.

REFERENCES:
patent: 6047167 (2000-04-01), Yamashita
patent: 6701138 (2004-03-01), Epperson et al.
patent: 6850119 (2005-02-01), Arnott
patent: 6917245 (2005-07-01), Dupuis et al.
patent: 7315211 (2008-01-01), Lee et al.
patent: 7634240 (2009-12-01), Mitzlaff et al.
patent: 2004/0056720 (2004-03-01), Jansen et al.

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